• Principal Linux Systems Administrator - 10k sign…

    Leidos (Columbia, MD)
    …with LINUX, Windows and Virtualization + ** Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd Come break things (in a ... exciting opportunity for a **Principal Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our… more
    Leidos (08/08/25)
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  • AV Security Engineer

    Leidos (Springfield, VA)
    …conferencing with a focus on secure and reliable video transmission. **Basic Qualifications** + TS / SCI w/ Poly Clearance is required + Bachelor's degree in a ... **Job Description** We are seeking a highly organized and detail-oriented A/V Security Engineer who is responsible for the operation, configuration, and maintenance… more
    Leidos (07/24/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …and Access Management principals **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph **Physical Requirements:** + The person in this ... **ManTech** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but… more
    ManTech (06/04/25)
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  • Senior Network Architect

    KBR (Washington, DC)
    …0-20% Travel + Working Hours: Standard 40 hour per week Qualifications : Required: + Clearance: Top Secret with SCI + 12 years' experience with BS/BA or 10 ... Senior Network Architect Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (06/14/25)
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  • Research and Development Contract Specialist

    KBR (Chevy Chase, MD)
    …maintenance for contract's function. Qualifications: Required: + A CURRENT and ACTIVE TOP SECRET / SCI federal security clearance with Polygraph + Five ... Contract Specialist Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions… more
    KBR (08/15/25)
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  • Action Officer

    KBR (Chevy Chase, MD)
    …compliance with policies and procedures. Qualifications: Required: + CURRENT and ACTIVE TOP SECRET / SCI federal security clearance with Polygraph + Five ... Title: Action Officer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our… more
    KBR (08/15/25)
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  • External Communications Specialist

    KBR (Chevy Chase, MD)
    … reviews for all media content. Qualifications: Required: + CURRENT and ACTIVE TOP SECRET / SCI federal security clearance with Polygraph + Four (4) or ... Communications Specialist Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions… more
    KBR (08/15/25)
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  • Software Assurance Engineer

    Leidos (Alexandria, VA)
    …testing. Additional relevant experience may be considered in lieu of degree. + Active DoD Top Secret clearance with SCI eligibility required + DoD 8570 IAM ... is currently seeking a Software Assurance (SwA) Engineer to ensure security is addressed holistically and systematically throughout the Software Development Life… more
    Leidos (07/10/25)
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  • Aspd IT Support Specialist Team Member

    NANA Regional Corporation (Fort Belvoir, VA)
    …with senior customers to field and troubleshooting questions and issues + Active DoD Top Secret clearance with SCI eligibility is required. + Possesses ... and maintain a classified network infrastructure that enables secure compartmented communications, including web-based collaboration, enterprise services (eg, email,… more
    NANA Regional Corporation (08/14/25)
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  • Windows 11 Systems Engineer

    NANA Regional Corporation (Fort Belvoir, VA)
    …for enterprise deployment. + Experience administering and optimizing Windows GPOs. + Active DoD Top Secret clearance with SCI eligibility is required. + One ... current infrastructure, develop and execute deployment plans, and maintain the ongoing security and optimization of the Windows 11 environment. To join our team… more
    NANA Regional Corporation (08/13/25)
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